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YAMAHA CORPORATION
V617350 R1 1 IP 20 Pro Audio & Digital Musical Instrument Division
P.O. Box 3, Hamamatsu, 430-8651, Japan
NP Printed in Taiwan
CHANNEL L
(BRIDGE)
(PARALLEL)
CHANNEL R
INPUT
BA
BA
CHANNEL L
ATT
CHANNEL R
ATT
Limiter
Lch Power Amp
• ON
• OFF
• ON
• OFF
YAMAHA
SPEAKER
PROCESSING
INV
PARALLEL
BRIDGE
STEREO
Limiter
Rch Power Amp
PROTECTION
TEMP
SIGNAL
SIGNAL
CLIP
CLIP
Protection
Circuit
Temperature
Sensor
(Heat Sink)
SPEAKERS
CHANNEL L
CHANNEL R
L+R BRIDGE
FAN
+B
E
–B
+24
E
–24
POWER CIRCUIT
POWER
POWER SW
Block Diagram